V2EX livebearer

Livebearer

Definition / 释义

livebearer胎生(产幼鱼)的鱼;也可泛指胎生动物。在水族语境中,常指能直接产下活体幼鱼的观赏鱼类(如孔雀鱼、月光鱼、玛丽鱼、剑尾鱼等,多见于花科 Poeciliidae)。

Pronunciation / 发音

/lavbrr/

Examples / 例句

Livebearers are easy to breed in a home aquarium.
胎生鱼在家用鱼缸里很容易繁殖。

Unlike egg-layers, many livebearers give birth to fully formed fry, so the tank needs plants or hiding places for the young.
与产卵鱼不同,许多胎生鱼会直接产下发育较完整的幼鱼,因此鱼缸里需要水草或躲藏处来保护小鱼。

Etymology / 词源

live(活的)+ bearer(携带者、承载者/生产者)构成,字面意思是“产下活体幼体的(生物)”。在水族与鱼类学中,它用来区别于 egg-layer(产卵者/卵生鱼)。

Related Words / 相关词汇

Literary Works / 文学作品与出处

  • 《Baensch Aquarium Atlas》(水族图鉴系列):在观赏鱼分类与饲养章节中常用 livebearers 指代孔雀鱼等胎生观赏鱼类。
  • 《Encyclopedia of Aquarium & Pond Fish》(水族鱼百科类工具书):在鱼类繁殖方式与品种介绍中常出现 *livebearer(s)*。
  • 各类水族杂志与饲养指南(如繁殖专题文章):livebearer 常作为“胎生观赏鱼”这一类群的通用术语出现。
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